Chinese Journal of Preventive Medicine, Volume 47, Issue 4,2013, Pages 378-379, doi:10.3760/cma.j.issn.0253-9624.2013.04.020
Chinese Journal of Preventive Medicine, Volume 47, Issue 4,2013, Pages 318-322, doi:10.3760/cma.j.issn.0253-9624.2013.04.007
Chinese Journal of Preventive Medicine, Volume 47, Issue 4,2013, Pages 382-383, doi:10.3760/cma.j.issn.0253-9624.2013.04.022
Chinese Journal of Preventive Medicine, Volume 47, Issue 4,2013, Pages 358-362, doi:10.3760/cma.j.issn.0253-9624.2013.04.015
Chinese Journal of Preventive Medicine, Volume 47, Issue 4,2013, Pages 306-311, doi:10.3760/cma.j.issn.0253-9624.2013.04.005